Properties of the Number 18044

Eighteen Thousand Forty-Four

Basics

Value: 18043 → 18044 → 18045

Parity: even

Prime: No

Previous Prime: 18043

Next Prime: 18047

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 13 × 347

Divisors: 1, 2, 4, 13, 26, 52, 347, 694, 1388, 4511

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100011001111100

Octal: 43174

Duodecimal: A538

Hexadecimal: 467c

Square: 325585936

Square Root: 134.32795688165587

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Numbers n such that Bernoulli number B_n has denominator 1590. A272140

T(n,k)=Number of (n+5)X(k+5) 0..1 matrices with each 6X6 subblock idempotent. A224577

Expansion of η(q⁴)² / (η(q²) * η(q)⁶) in powers of q. A134416

Number of edges formed in a square by straight line segments when connecting the n-1 points between each corner that divide each edge into n equal parts to the n-1 points on each of the two adjacent edges of the square. A358409

Numbers k such that 37·2^k+1 is prime. A32368

Number of (n+5)X6 0..1 matrices with each 6X6 subblock idempotent. A224570

Number of (n+5)X7 0..1 matrices with each 6X6 subblock idempotent. A224571

Number of distinct factorizations of the length-n prefix of the Fibonacci word A003849 into finite Fibonacci words. A299995

a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (odd natural numbers), t = A000201 (lower Wythoff sequence). A25113

Numerator of ∑_i=1..n i³/(n-i+1). A119783